cmake HAVE_COCOA examples

plumonito/dtslam 3rdparty/opencv-git/modules/highgui/CMakeLists.txt :76 

elseif(HAVE_COCOA)

joachimBurket/esp32-opencv modules/highgui/CMakeLists.txt :126 

elseif(HAVE_COCOA)

SsageParuders/Android_Native_Surface my_android_opencv/modules/highgui/CMakeLists.txt :176 

elseif(HAVE_COCOA)

SsageParuders/Android_Native_Surface my_android_opencv/modules/highgui/CMakeLists.txt :178 

add_definitions(-DHAVE_COCOA)

JulNadeauCA/libagar CMakeChecks.cmake :873 

check_objc_source_compiles("
#import <Cocoa/Cocoa.h>

int main(int argc, char *argv[]) { return (0); }
" HAVE_COCOA)